Royally smitten.

Tom Cruise applauded Prince William’s “smart choice” to marry Kate Middleton.

At the Los Angeles premiere of Cruise’s new movie, “Digger,” on Monday, the “Top Gun” star recalled his pleasant interactions with the Prince and Princess of Wales at the movie’s world premiere in London last week.

“She’s got a great sense, incredible sense of humor,” the actor told “Extra” of Middleton.

Tom Cruise (seen above at the LA premiere of “Digger” Monday) gushed over Kate Middleton after meeting her and Prince William last week. Zuma / SplashNews.com

“She’s got a great sense, incredible sense of humor,” he told “Extra” of Middleton (seen above with Cruise at the London premiere of “Digger” Sept. 23). Regina Voronina / BACKGRID

“I mean, obviously very intelligent and fun … they’re so charismatic and so elegant; that dress that she was wearing? Stunning, absolutely stunning,” he added, referring to the mom of three’s custom purple long-sleeved Jenny Packham gown.

“William did well,” Cruise, 64, added with a wink. “Way to go. Smart choice.”

The “Mission: Impossible” star said it was “so fun” seeing the royal couple watch the film and “be part of it.”

The “Top Gun” actor (seen above with the royal couple at the London premiere of “Digger”) said “William did well” by marrying Middleton. Getty Images for Warner Bros.

Cruise (seen above with Middleton, William and Alejandro González Iñárritu at the “Digger” London premiere) said the purple dress the mom of three wore was “stunning.” WireImage

The Waleses (seen above) mingled with Cruise and other A-listers at the premiere last week. Samir Hussein/WireImage

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“I have so much respect for them, you know, they’re amazing people and how dedicated they are to their country and also … what they give to the world,” he said.

“They’re just beautiful people and fun, very funny,” Cruise gushed.

The action star mingled with William and Middleton, both 44, last Tuesday at the ODEON Luxe Leicester Square.

Page Six obtained photos of the trio sharing laughs and chatting at the event.

William and Middleton (both seen above at the 7 in 7: The Grand Finale 2026 Challenge Tuesday) tied the knot in 2011. PA Images/INSTARimages

They share three children (seen above with their parents at the Easter Matins Service in April). Getty Images

Several other stars attended, including Salma Hayek, David Beckham and his two youngest sons, Cruz Beckham and Romeo Beckham, Jodie Turner-Smith and many more.

William and Middleton tied the knot in April 2011 at Westminster Abbey in London.

The couple shares three kids: Prince George, 13, Princess Charlotte, 11, and Prince Louis, 8.